From quartic double solids to Gushel-Mukai threefolds through derived categories

13 Jun 2022, 16:00
1h
BellaVista Relax Hotel

BellaVista Relax Hotel

Via Vittorio Emanuele III, 7, 38056 Levico Terme TN
Online Talk

Speaker

Alexander Kuznetsov (Steklov Mathematical Institute and HSE University, Moscow, Russia)

Description

Quartic double solids and Gushel-Mukai threefolds are examples of prime Fano threefolds known to share many numerical properties. In the talk, I will explain how one can construct a smooth and proper over the base family of triangulated categories with special fiber the nontrivial component of the derived category of a quartic double solid and general fiber the nontrivial component of the derived category of a Gushel-Mukai threefold. As a consequence one obtains smooth families of Fano surfaces and intermediate Jacobians of these threefolds. This is a joint work in progress with Evgeny Shinder.

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